<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
      <div>
          <div>
              <label for="">用户名</label>
              <input type="text" id="username">
          </div>
          <div>
            <label for="">密码</label>
            <input type="password" id="pwd">
        </div>
        <button type="button" id="btn">登录</button>

   </div>
<script src="./javascripts/login.js"></script> 
</body>
</html>